package cn.deppon.crawler.test;

import org.apache.http.HttpEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

import java.io.IOException;

/**
 * @ClassName: CrawlerFirst
 * @Description: TODO
 * @Author Administrator
 * @Date 2020-10-29
 * @Version 1.0
 */
public class CrawlerFirst {
    public static void main(String[] args) throws IOException {
        //1.打开浏览器,创建HttpClient对象
        CloseableHttpClient httpClient = HttpClients.createDefault();

        //2.输入网址, 发起get请求创建HttpGet对象
        HttpGet httpGet = new HttpGet("http://www.itcast.cn");


        //3.按回车，发起请求,返回响应,使用HttpClient对象发起请求
        CloseableHttpResponse response = httpClient.execute(httpGet);

        //4.解析响应, 获取数据
        //判断状态码是否是200
        if(response.getStatusLine().getStatusCode() == 200){

            HttpEntity httpEntity = response.getEntity();
            String content = EntityUtils.toString(httpEntity, "utf8");
            System.out.println(content);
        }
    }
}
